- 0.2.2.3
    * Bump HUnit dependency to 1.5

- 0.2.2.2
    * Bump QuickCheck dependency bounds

- 0.2.2.1
    * Fix benchmark compilation with stack

- 0.2.2.0
    * Fix import of Traversable on GHC 7.8

- 0.2.1.0
    * Add Traversable instances

- 0.2.0.3
    * Bump HUnit dependency bounds

- 0.2.0.2
    * Bump QuickCheck dependency bounds

- 0.2.0.1
    * Minor documentation fixes

- 0.2.0.0
    * Add convenience `deleteMin` function
    * Bump `deepseq` dependency to 1.4

- 0.1.1.0
    * Remove constraints from `size`

- 0.1.0.1
    * Extend cabal description, include CHANGELOG

- 0.1.0.0
    * First release: <https://medium.com/@bttr/announcing-psqueues-8a0fe9fe939>
